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Groups > linux.kernel > #1264901
| From | Rob Herring <robh+dt@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP |
| Date | 2015-11-07 19:10 +0100 |
| Message-ID | <qsg65-5IM-1@gated-at.bofh.it> (permalink) |
| References | <qrWAp-1tw-5@gated-at.bofh.it> <qrWAq-1tw-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Nov 6, 2015 at 3:11 PM, Kapil Hali <kapilh@broadcom.com> wrote:
> Add a compatible string "brcm,bcm-nsp-smp" for Broadcom's
> Northstar Plus CPU to the 32-bit ARM CPU device tree binding
> documentation file and create a new binding documentation for
> Northstar Plus CPU.
>
> Signed-off-by: Kapil Hali <kapilh@broadcom.com>
> ---
> .../bindings/arm/bcm/brcm,nsp-cpu-method.txt | 36 ++++++++++++++++++++++
> Documentation/devicetree/bindings/arm/cpus.txt | 1 +
> 2 files changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
> new file mode 100644
> index 0000000..8506da7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
> @@ -0,0 +1,36 @@
> +Broadcom Northstar Plus SoC CPU Enable Method
> +---------------------------------------------
> +This binding defines the enable method used for starting secondary
> +CPUs in the following Broadcom SoCs:
> + BCM58522, BCM58525, BCM58535, BCM58622, BCM58623, BCM58625, BCM88312
> +
> +The enable method is specified by defining the following required
> +properties in the "cpus" device tree node:
> + - enable-method = "brcm,bcm-nsp-smp";
As I said already, this is supposed to be per cpu.
> + - secondary-boot-reg = <...>;
And then you might as well move this too.
> +
> +The secondary-boot-reg property is a u32 value that specifies the
> +physical address of the register used to request the ROM holding pen
> +code release a secondary CPU.
> +
> +Example:
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + enable-method = "brcm,bcm-nsp-smp";
> + secondary-boot-reg = <0xffff042c>;
> +
> + cpu0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a9";
> + next-level-cache = <&L2>;
> + reg = <0>;
> + };
> +
> + cpu1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a9";
> + next-level-cache = <&L2>;
> + reg = <1>;
> + };
> + };
> diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
> index 91e6e5c..6abe3f3 100644
> --- a/Documentation/devicetree/bindings/arm/cpus.txt
> +++ b/Documentation/devicetree/bindings/arm/cpus.txt
> @@ -191,6 +191,7 @@ nodes to be present and contain the properties described below.
> "allwinner,sun8i-a23"
> "arm,psci"
> "brcm,brahma-b15"
> + "brcm,bcm-nsp-smp"
> "marvell,armada-375-smp"
> "marvell,armada-380-smp"
> "marvell,armada-390-smp"
> --
> 2.1.0
>
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[PATCH v3 0/4] SMP support for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-06 22:20 +0100
[PATCH v3 3/4] ARM: BCM: Add SMP support for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-06 22:20 +0100
[PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-06 22:20 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Rob Herring <robh+dt@kernel.org> - 2015-11-07 19:10 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-10 17:30 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Florian Fainelli <f.fainelli@gmail.com> - 2015-11-07 22:50 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-11-08 18:40 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Florian Fainelli <f.fainelli@gmail.com> - 2015-11-08 20:40 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-10 17:10 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-11-10 17:30 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-12 13:40 +0100
Re: [PATCH v3 1/4] dt-bindings: add SMP enable-method for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-10 17:10 +0100
[PATCH v3 2/4] ARM: dts: add SMP support for Broadcom NSP Kapil Hali <kapilh@broadcom.com> - 2015-11-06 22:20 +0100
Re: [PATCH v3 0/4] SMP support for Broadcom NSP Heiko Stuebner <heiko@sntech.de> - 2015-11-06 22:30 +0100
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